Many problems still remain unsolved.为什么去掉still

Many problems still remain unsolved.为什么去掉still
Many problems still remain unsolved.为什么去掉still

Many problems still remain unsolved.为什么去掉still
remain就有依然怎么样的意思
still再放上面就显得重复了

remain已经有still 的含义在里面了，再用still 就会意思重复
Many problems remain unsolved 还有很多问题仍未解决

有remain啦~~两个重复